181008-N-ZS023-1001 U.S. 5TH FLEET AREA OF OPERATIONS (Oct. 8, 2018) The Arleigh Burke-class guided-missile destroyer USS The Sullivans (DDG 68) fires its Mark 45 5-inch gun during a live-fire exercise. The Sullivans is deployed to the U.S. 5th Fleet area of operations in support of naval operations to ensure maritime stability and security in the Central Region, connecting the Mediterranean and the Pacific through the western Indian Ocean and three strategic choke points. (U.S. Navy photo by Lt. Daphne White/Released)